Water leaks from the side of the pump, is this normal?

  • Yes, this is an air bleed hole to help prevent the pump from getting air lock.   

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What oil goes inside the pump?

  • Dielectric oil.  

  • 20.00 Oz  

What is the HP?

  • 1/3 HP 

How High can it pump?

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Why does the float switch go all the way up, but the pump does not turn on?

  • Ensure there is nothing blocking the float from going all the way up.   

  • The float assembly needs to be replaced, because it is not pushing the pump to the on position. 

Do I need to drill a separate air bleed hole since the pump already has one?

  • If one air bleed hole gets clogged, then yes, drill another hole. 

Why does the pump hum, but the impeller does not spin?

  • The pump could be clogged.   

  • The motor or the capacitor could be going bad. 

    • If so, replace the pump. 

The pump turns on and the impeller spins, but it does not discharge water.

  • The pump is air locked.   

  • There is blockage in the discharge line.   

  • The check valve could be installed in the wrong direction or not opening.   

  • Head/vertical pumping height is too high for the pump. 

  • For more information, review the troubleshooting section of the owner’s manual. 

The switch activates, but the pump does not turn on.

  • Ensure proper voltage supply. 

  • Ensure the ground fault has not tripped. 

Our Brand Promise

There’s a reason we’ve been the go-to pump for HVAC, Plumbing, Pool, and Hydroponics professionals for generations: experience. For 80 years, Little Giant® products have stood the test of time, pumping a steady flow of proven reliability in the most demanding applications.